Comment 117 for bug 386326

Created an attachment (id=361985)
Patch v1

This is my first attempt to get the multiple worker threads implemented.

It seems to work for me, but unfortunately I see a crash when having the flash plugin installed, so I suspect this patch needs some more reviewing to find the bug.

But before we try to get this in, we must have reliable steps to reproduce the original deadlock/hang problem with Thunderbird 3 nightlies.